diff --git a/BdfFontDemo/README.md b/BdfFontDemo/README.md
index 34f4514..a3eead7 100644
--- a/BdfFontDemo/README.md
+++ b/BdfFontDemo/README.md
@@ -27,7 +27,6 @@ cc -o bdf2c bdf2c.c
 ```
 
 Specify the font variable name with the -n option.   
-Characters that cannot be used in C language variable names will result in an error during compilation.   
 ```
 ./bdf2c -n ncenR12 -b < $HOME/u8g2-hal-esp-idf/examples/i2c/components/u8g2/tools/font/bdf/ncenR12.bdf > main/ncenR12.h
 
@@ -38,6 +37,12 @@ Characters that cannot be used in C language variable names will result in an er
 ./bdf2c -n Scroll_o_Sprites -b < $HOME/u8g2-hal-esp-idf/examples/i2c/components/u8g2/tools/font/pbm/Scroll-o-Sprites.bdf > main/Scroll-o-Sprites.h
 ```
 
+Characters that cannot be used in C language variable names will result in an error during compilation.   
+This is unacceptable.   
+```
+./bdf2c -n Scroll-o_Sprites -b < $HOME/u8g2-hal-esp-idf/examples/i2c/components/u8g2/tools/font/pbm/Scroll-o-Sprites.bdf > main/Scroll-o-Sprites.h
+```
+
 
 - BDF font files can be viewed with the following command.
 ```